Document Number: 001-65659 Rev. *I Page 3 of 26
Contents
Introduction .......................................................................4
HX2VL Architecture ..........................................................4
USB Serial Interface Engine ........................................4
HS USB Control Logic .................................................4
Hub Repeater ..............................................................4
MCU ............................................................................4
Transaction Translator ................................................4
Port Control .................................................................4
Applications ......................................................................4
Functional Overview ........................................................5
System Initialization .....................................................5
Enumeration ................................................................5
Multiple Transaction Translator Support .....................5
Upstream Port .............................................................5
Downstream Ports .......................................................5
Power Switching ..........................................................5
Overcurrent Detection .................................................5
Port Indicators .............................................................5
Power Regulator ..........................................................6
External Regulation Scheme .......................................6
Internal Regulation Scheme ........................................6
Pin Configurations ...........................................................7
Pin Definitions ..................................................................9
Pin Definitions ................................................................12
EEPROM Configuration Options ...................................14
Pin Configuration Options .............................................15
Power ON Reset .......................................................15
Gang/Individual Power Switching Mode ....................15
Power Switch Enable Pin Polarity .............................15
Port Number Configuration ........................................15
Non Removable Ports Configuration .........................15
Reference Clock Configuration .................................15
Absolute Maximum Ratings ..........................................16
Operating Conditions .....................................................16
Electrical Characteristics ...............................................17
DC Electrical Characteristics .....................................17
AC Electrical Characteristics .....................................18
Thermal Resistance ........................................................18
Ordering Information ......................................................19
Ordering Code Definitions .........................................19
Package Diagrams ..........................................................20
Acronyms ........................................................................22
Document Conventions .................................................22
Units of Measure .......................................................22
Silicon Errata for the HX2VL,
CY7C65642 Product Family ...........................................23
Part Numbers Affected ..............................................23
HX2VL Qualification Status .......................................23
HX2VL Errata Summary ............................................23
Document History Page .................................................24
Sales, Solutions, and Legal Information ......................26
Worldwide Sales and Design Support ....................... 26
Products ....................................................................26
PSoC® Solutions ......................................................26
Cypress Developer Community .................................26
Technical Support .....................................................26